AliAnalysisTaskSEDvsMultiplicity *AddTaskDvsMultiplicity(Int_t system=0,
							 Bool_t readMC=kFALSE,
							 Int_t MCOption=0,
							 Int_t pdgMeson=411,
							 TString finDirname="Loose",
							 TString filename="",
							 TString finAnObjname="AnalysisCuts", 
							 TString estimatorFilename="",
							 Double_t refMult=9.26,
							 Bool_t subtractDau=kFALSE,
							 Bool_t NchWeight=kFALSE,
							 Int_t recoEstimator = AliAnalysisTaskSEDvsMultiplicity::kNtrk10,
							 Int_t MCEstimator = AliAnalysisTaskSEDvsMultiplicity::kEta10,
							 Bool_t isPPbData=kFALSE)
{
  //
  // Test macro for the AliAnalysisTaskSE for D+ candidates
  //Invariant mass histogram and    
  // association with MC truth (using MC info in AOD)
  //  R. Bala, bala@to.infn.it
  // Get the pointer to the existing analysis manager via the static access method. 
  //============================================================================== 
  
  AliAnalysisManager *mgr = AliAnalysisManager::GetAnalysisManager();
  if (!mgr) {
    ::Error("AddTaskDvsMultiplicity", "No analysis manager to connect to.");
  }
  
  Bool_t stdcuts=kFALSE;
  TFile* filecuts;
  if( filename.EqualTo("") ) {
    stdcuts=kTRUE; 
  } else {
    filecuts=TFile::Open(filename.Data());
    if(!filecuts ||(filecuts&& !filecuts->IsOpen())){
      AliFatal("Input file not found : check your cut object");
    }
  }

  
  //Analysis Task  
  AliRDHFCuts *analysiscuts=0x0;
  
  TString Name="";
  if(pdgMeson==411){
    if(stdcuts) {
      analysiscuts = new AliRDHFCutsDplustoKpipi();
      if (system == 0) analysiscuts->SetStandardCutsPP2010();
      else analysiscuts->SetStandardCutsPbPb2011();
    }
    else analysiscuts = (AliRDHFCutsDplustoKpipi*)filecuts->Get(finAnObjname);
    Name="Dplus";
   }else if(pdgMeson==421){
    if(stdcuts) {
      analysiscuts = new AliRDHFCutsD0toKpi();
      if (system == 0) analysiscuts->SetStandardCutsPP2010();
      else analysiscuts->SetStandardCutsPbPb2011();
    }
    else analysiscuts = (AliRDHFCutsD0toKpi*)filecuts->Get(finAnObjname);
    Name="D0";
  }else if(pdgMeson==413){
    if(stdcuts) {
      analysiscuts = new AliRDHFCutsDStartoKpipi();
      if (system == 0) analysiscuts->SetStandardCutsPP2010();
      else analysiscuts->SetStandardCutsPbPb2011();
    }
    else analysiscuts = (AliRDHFCutsDStartoKpipi*)filecuts->Get(finAnObjname);
    Name="DStar";
  }

  AliAnalysisTaskSEDvsMultiplicity *dMultTask = new AliAnalysisTaskSEDvsMultiplicity("dMultAnalysis",pdgMeson,analysiscuts,isPPbData);
  dMultTask->SetReadMC(readMC);  
  dMultTask->SetDebugLevel(0);
  dMultTask->SetUseBit(kTRUE);
  dMultTask->SetDoImpactParameterHistos(kFALSE);
  dMultTask->SetSubtractTrackletsFromDaughters(subtractDau);
  dMultTask->SetMultiplicityEstimator(recoEstimator);
  dMultTask->SetMCPrimariesEstimator(MCEstimator);
  dMultTask->SetMCOption(MCOption);
  if(isPPbData) dMultTask->SetIsPPbData();

  if(NchWeight){
    TH1F *hNchPrimaries = (TH1F*)filecuts->Get("hGenPrimaryParticlesInelGt0");
    if(hNchPrimaries) {
      dMultTask->UseMCNchWeight(true);
      dMultTask->SetHistoNchWeight(hNchPrimaries);
    } else {
      AliFatal("Histogram for multiplicity weights not found");
      return 0x0;
    }
  }

  if(pdgMeson==421) { 
    dMultTask->SetMassLimits(1.5648,2.1648);
    dMultTask->SetNMassBins(200);
  }else if(pdgMeson==411)dMultTask->SetMassLimits(pdgMeson,0.2);
  
  if(estimatorFilename.EqualTo("") ) {
    printf("Estimator file not provided, multiplcity corrected histograms will not be filled\n");
  } else{
         if ( isPPbData) {    //Only use two profiles if pPb
            const Char_t* periodNames[2] = {"LHC13b", "LHC13c"};
            TProfile* multEstimatorAvg[2];                       
            TFile* fileEstimator=TFile::Open(estimatorFilename.Data());
            if(!fileEstimator)  {
               AliFatal("File with multiplicity estimator not found\n"); 
               return;
            }
            
            for(Int_t ip=0; ip<2; ip++) {
               multEstimatorAvg[ip] = (TProfile*)(fileEstimator->Get(Form("SPDmult10_%s",periodNames[ip]))->Clone(Form("SPDmult10_%s_clone",periodNames[ip])));  
            }
            dMultTask->SetMultiplVsZProfileLHC13b(multEstimatorAvg[0]);
            dMultTask->SetMultiplVsZProfileLHC13c(multEstimatorAvg[1]);
            dMultTask->SetReferenceMultiplcity(refMult);
            
         }
         else {
            const Char_t* periodNames[4] = {"LHC10b", "LHC10c", "LHC10d", "LHC10e"};
            TProfile* multEstimatorAvg[4];                       
            TFile* fileEstimator=TFile::Open(estimatorFilename.Data());
            if(!fileEstimator)  {
               AliFatal("File with multiplicity estimator not found\n"); 
               return;
            }
            
            for(Int_t ip=0; ip<4; ip++) {
               multEstimatorAvg[ip] = (TProfile*)(fileEstimator->Get(Form("SPDmult10_%s",periodNames[ip]))->Clone(Form("SPDmult10_%s_clone",periodNames[ip])));  
            }
            dMultTask->SetMultiplVsZProfileLHC10b(multEstimatorAvg[0]);
            dMultTask->SetMultiplVsZProfileLHC10c(multEstimatorAvg[1]);
            dMultTask->SetMultiplVsZProfileLHC10d(multEstimatorAvg[2]);
            dMultTask->SetMultiplVsZProfileLHC10e(multEstimatorAvg[3]);
            dMultTask->SetReferenceMultiplcity(refMult);
   }
  }
  mgr->AddTask(dMultTask);
  
  // Create containers for input/output 
  
  TString inname = "cinput";
  TString outname = "coutput";
  TString cutsname = "coutputCuts";
  TString normname = "coutputNorm";
  TString profname = "coutputProf";
  
  inname += Name.Data();
  outname += Name.Data();
  cutsname += Name.Data();
  normname += Name.Data();
  profname += Name.Data();
  inname += finDirname.Data();
  outname += finDirname.Data();
  cutsname += finDirname.Data();
  normname += finDirname.Data();
  profname += finDirname.Data();

  AliAnalysisDataContainer *cinput = mgr->CreateContainer(inname,TChain::Class(),AliAnalysisManager::kInputContainer);

  TString outputfile = AliAnalysisManager::GetCommonFileName();
  outputfile += ":PWG3_D2H_DMult_";
  outputfile += Name.Data(); 
  outputfile += finDirname.Data(); 
    
  AliAnalysisDataContainer *coutputCuts = mgr->CreateContainer(cutsname,TList::Class(),AliAnalysisManager::kOutputContainer,outputfile.Data());
  AliAnalysisDataContainer *coutput = mgr->CreateContainer(outname,TList::Class(),AliAnalysisManager::kOutputContainer,outputfile.Data());
  AliAnalysisDataContainer *coutputNorm = mgr->CreateContainer(normname,TList::Class(),AliAnalysisManager::kOutputContainer,outputfile.Data());
  AliAnalysisDataContainer *coutputProf = mgr->CreateContainer(profname,TList::Class(),AliAnalysisManager::kOutputContainer,outputfile.Data());
  
  mgr->ConnectInput(dMultTask,0,mgr->GetCommonInputContainer());
  
  mgr->ConnectOutput(dMultTask,1,coutput);
  
  mgr->ConnectOutput(dMultTask,2,coutputCuts);

  mgr->ConnectOutput(dMultTask,3,coutputNorm);  

  mgr->ConnectOutput(dMultTask,4,coutputProf);

  return dMultTask;
}